Sole



FIG. 1 is a bottom plan view of a sole showing my new design;

FIG. 2 is a cross-sectional view taken on line 2--2 of FIG. 1;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a front elevational view; and,

FIG. 7 is a rear elevational view. 

The ornamental design for a sole, as shown and described. 